Sofa or similar unit of furniture



FIG. 1 is a front perspective view of a sofa embodying my new design;

FIG. 2 is a rear perspective view of the sofa shown in FIG. 1;

FIG. 3 is a front perspective view of a second embodiment of the sofa shown in FIG. 1; and

FIG. 4 is a rear perspective view of the soft shown in FIG. 3. 

The ornamental design for sofa or similar unit of furniture, substantially as shown. 